M5.1 earthquake 66 km W of Tobelo, Indonesia
A magnitude 5.1 earthquake struck 66 km W of Tobelo, Indonesia on Mon, Oct 28, 1985, 11:32 PM GMT+9 (14:32 UTC), 169 km (105 mi) below the surface.
A larger quake followed: M5.3 92 km WNW of Tobelo, Indonesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mb), moderate
- Local time
- UTC
- 1985-10-28 14:32:47 UTC
- Depth
- 169.3 km (105.2 mi), intermediate-depth
- Epicenter
- 1.761° N, 127.414° E
- Region
- Indonesia
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002m7m. Read Tue, Sep 22, 2026, 4:15 PM UTC.